CN217585733U - Crack measuring device - Google Patents
Crack measuring device Download PDFInfo
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- CN217585733U CN217585733U CN202221469189.5U CN202221469189U CN217585733U CN 217585733 U CN217585733 U CN 217585733U CN 202221469189 U CN202221469189 U CN 202221469189U CN 217585733 U CN217585733 U CN 217585733U
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- range finder
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- laser range
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Abstract
The utility model provides a pair of crack measuring device includes the angle calibrated scale, microscope and laser range finder, the through-hole has been seted up to the angle calibrated scale, the angle calibrated scale is used for setting up in the determinand surface, and the through-hole is located the crack department on determinand surface, microscope sets up in the through-hole department of angle calibrated scale, and microscopical axis perpendicular to angle calibrated scale, microscope is used for detecting the crack width, the one end that microscope is close to the angle calibrated scale is located to the laser range finder cover, and laser range finder can rotate around the microscope, laser range finder is used for detecting the crack apart from the distance of first reference position, and be used for detecting the crack apart from the distance of second reference position, this application is provided with the angle calibrated scale, thereby can guarantee that laser range finder is located vertical state, horizontal state or other can follow the angle state of predetermineeing of angle calibrated scale acquisition, thereby guarantee that crack position measures the accuracy, and because this application can accurately measure the crack position, thereby do not need the setting-out to do the mark.
Description
Technical Field
The utility model relates to a building quality technical field, in particular to crack measuring device.
Background
In the field of engineering measurement, in order to solve the width condition and the development trend of cracks on the surfaces of walls, beams and columns, the cracks need to be observed for a long time. Usually, the width of the crack is small, and the requirement on detection precision is high, so that the position of a crack measuring point needs to be accurately positioned, otherwise, the detection data of different measuring points cannot be compared. At present, the common practice is to mark the crack by drawing a line, and then measure the distance (ordinate) between the measuring point and the ground and the distance (abscissa) between the measuring point and the wall edge by a steel tape or a laser range finder.
However, when measuring, it is not strictly guaranteed that the laser range finder or the steel tape is in a horizontal or vertical state, so that the measurement of the vertical and horizontal coordinates of the measuring point is not accurate, and 2 persons are required to cooperate when using the steel tape, which wastes manpower, and in addition, the measuring point mark made by drawing a line may be washed away by water or disappear due to other reasons, so that the original measuring point cannot be found.
SUMMERY OF THE UTILITY MODEL
Based on this, the utility model aims at providing a can accurately find primary importance point, and measure accurate crack measuring device.
In order to achieve the above object, the utility model provides a crack measuring device, include:
the angle dial is at least provided with 0-degree scale, 90-degree scale and 270-degree scale, a through hole is formed in the angle dial, the angle dial is used for being arranged on the surface of an object to be detected, and the through hole is located at a crack on the surface of the object to be detected; and
the microscope is arranged at the through hole of the angle dial plate, the axis of the microscope is perpendicular to the angle dial plate, and the microscope is used for detecting the width of the crack;
the laser range finder is sleeved at one end, close to the angle dial, of the microscope, the laser range finder can rotate around the microscope, the laser range finder is used for detecting the distance between the crack and the first reference position and detecting the distance between the crack and the second reference position, the included angle formed by the connecting line of the laser range finder and the first reference position and the connecting line of the laser range finder and the second reference position is a preset angle, and the range of the preset angle is (0 degree and 180 degrees).
Preferably, the angle dial is a 360 ° dial.
Preferably, the 360 degree calibrated scale is provided with a protrusion at a 90 degree and/or 270 degree scale, one side of the laser range finder facing the 360 degree calibrated scale is provided with a groove, and the groove is matched with the protrusion.
Preferably, the protrusion is a hemispherical convex point, and the groove is a hemispherical groove matched with the hemispherical convex point.
Preferably, the angle dial is a disk.
Preferably, the microscope includes observation end and nearly object end that sets up relatively, nearly object end set up in the angle calibrated scale through-hole department, the laser range finder cover is located nearly object end, just the laser range finder can wind nearly object end rotates.
Preferably, the side wall of the microscope is provided with an opening.
Preferably, the microscope includes a light supplement lamp, a light outlet of the light supplement lamp is aligned to the opening, and light emitted by the light supplement lamp can irradiate the crack through the opening.
Preferably, the laser distance measuring device is capable of emitting a pulse laser beam to the first reference position or the second reference position and receiving a laser beam reflected by the first reference position or the second reference position, and the laser distance measuring device records a time difference between emitting the laser beam and receiving the laser beam, so as to calculate a distance from the crack to the first reference position or the second reference position.
Preferably, the laser range finder comprises a laser emitting part and a collar part which are connected, the collar part is sleeved at one end of the microscope close to the angle dial, the laser emitting part can emit a pulse laser beam to the first reference position or the second reference position and receive the laser beam reflected by the first reference position or the second reference position, the laser emitting part records the time difference from the emission of the laser beam to the reception of the laser beam, and then the distance between the crack and the first reference position or the second reference position is calculated.
The utility model discloses technical scheme's advantage: the method comprises the steps of attaching an angle dial to the surface of an object to be measured, enabling a through hole to be located at a crack on the surface of the object to be measured, enabling a laser range finder to naturally droop, rotating the angle dial to enable a 0-degree scale line to coincide with the axis of the laser range finder, enabling the direction of the 0-degree scale line to be the vertical direction, measuring the width of the crack through a microscope (the angle dial is provided with the through hole, so that the crack is prevented from being shielded by the angle dial, the crack cannot be observed by the microscope), measuring the distance between the crack and a first reference position through the laser range finder, rotating the laser range finder around the microscope, measuring the distance between the crack and a second reference position through the laser range finder after rotating a preset angle, obtaining the distance between the crack and the first reference position and the second reference position through the laser range finder, namely obtaining coordinates of the crack, directly finding the current position of the crack when the crack is measured next time, ensuring that the crack is the same crack position is measured every time, and ensuring that the crack is accurately measured without marking the crack.
Drawings
In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly introduced, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the devices shown in the drawings without creative efforts.
FIG. 1 is an exploded view of a fracture measurement device according to one embodiment;
FIG. 2 is a schematic structural diagram of a crack measurement device according to an embodiment;
FIG. 3 is a schematic structural diagram of a laser range finder according to an embodiment;
fig. 4 is a schematic structural diagram of a microscope according to an embodiment.
Wherein, 100, a microscope; 110. an observation end; 120. a near object end; 130. an opening; 140. a light supplement lamp; 200. a laser range finder; 210. a laser emitting section; 211. a groove; 220. a collar portion; 300. an angle dial; 310. a through hole; 320. and (4) protruding.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, back \8230;) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicator is changed accordingly. In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, "and/or" in the whole text includes three schemes, taking a and/or B as an example, including a technical scheme, and a technical scheme that a and B meet simultaneously; in addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
As shown in fig. 1-2, a crack measuring device includes an angle dial 300, a microscope 100 and a laser range finder 200, wherein the angle dial 300 is at least provided with 0 °, 90 ° and 270 ° scales, the angle dial 300 is provided with a through hole 310, the angle dial 300 is configured to be disposed on a surface of an object to be measured, the through hole 310 is located at a crack on the surface of the object to be measured, the microscope 100 is disposed at the through hole 310 of the angle dial 300, an axis of the microscope 100 is perpendicular to the angle dial 300, the microscope 100 is configured to detect a crack width, the laser range finder 200 is sleeved at an end of the microscope 100 close to the angle dial 300, the laser range finder 200 can rotate around the microscope 100, the laser range finder 200 is configured to detect a distance between a crack and a first reference position and a distance between a crack and a second reference position, an included angle formed by a connection line between the laser range finder 200 and the first reference position and a connection line between the laser range finder 200 and the second reference position is a preset angle, and the preset angle is (0 °) 180 °.
The method comprises the steps of attaching an angle dial 300 to the surface of an object to be measured, enabling a through hole 310 to be located at a crack on the surface of the object to be measured, enabling a laser range finder 200 to naturally droop, rotating the angle dial 300 to enable a 0-degree scale line to coincide with the axis of the laser range finder 200, enabling the direction of the 0-degree scale line to be the vertical direction, then measuring the width of the crack through a microscope 100 (since the angle dial 300 is provided with the through hole 310, the crack is prevented from being shielded by the angle dial 300, and the crack cannot be observed by the microscope 100), measuring the distance from the crack to a first reference position through the laser range finder 200, then rotating the laser range finder 200 around the microscope 100 to a preset angle, measuring the distance from the crack to a second reference position through the laser range finder 200 after the preset angle is rotated, obtaining the distance from the crack to the first reference position and the second reference position through the angle dial 300, namely, obtaining coordinates equivalent to the crack, directly finding the position of the crack when the crack is measured next time, ensuring that the crack is the same crack position every time when the crack is measured, and in the accurate crack measuring state of the crack can be obtained through the angle dial 300, and the accurate crack measuring state of the crack can be obtained through the laser range finder.
In the present embodiment, the through-hole 310 is located at the center of the angle dial 300.
In this embodiment, the first reference position may be, but is not limited to, the ground, the floor bottom, the beam top and the column top, and the second reference position may be, but is not limited to, the side plate, the wall side wall and the corner of the wall, the beam and the column.
In this embodiment, when measuring a crack in a wall, the first reference position is a ground, the second reference position is a sidewall of the wall, and since the ground is perpendicular to the sidewall of the wall, the laser distance meter 200 is easily located in a vertical state or a horizontal state through the 0 ° scale, the 90 ° scale, or the 270 ° scale of the angle dial 300, so as to obtain a distance between the crack and the ground and the sidewall of the wall.
Further, referring to fig. 1, the angle dial 300 is a 360 ° dial, and specifically, when a crack on the pool wall of the water tank or the surface of the bridge pier is measured, the height of the crack from the bottom of the water tank or the bridge pier cannot be accurately measured due to water or sludge at the bottom of the water tank or the bridge pier, at this time, the laser range finder 200 is rotated, the angle at which the laser range finder 200 rotates can be obtained through the 360 ° dial, and then the distance from the crack to the reference position irradiated by the laser of the laser range finder 200 is measured, so that the coordinate of the crack can also be obtained; for example, the laser emitted from the laser range finder 200 is directed at the corner of the sink or pier, the angle at which the laser range finder 200 rotates can be obtained by a 360 ° dial, and then the distance of the crack from the corner of the sink or pier is measured by the laser range finder 200.
Further, referring to fig. 2-3, the 360 ° dial is provided with a protrusion 320 at a 90 ° and/or 270 ° scale, the side of the laser range finder 200 facing the 360 ° dial is provided with a groove 211, the groove 211 and the protrusion 320 are adapted, specifically, when a crack is measured, the horizontal coordinate and the vertical coordinate of the crack are generally measured to obtain the position of the crack, wherein the 0 ° scale is a position corresponding to the natural sagging of the laser range finder 200, so that the laser range finder 200 can be conveniently located in the vertical direction, then the protrusion 320 is provided at the 90 ° and/or 270 ° scale, and the groove 211 of the laser range finder 200 is matched with the protrusion 320, so that the cylindrical groove is accommodated in the groove 211 of the laser range finder 200, so that the laser range finder 200 can conveniently maintain the horizontal direction, and thus the laser range finder 200 can conveniently measure the vertical coordinate and the horizontal coordinate of the crack.
In other embodiments, the 360 ° dial can be provided with the protrusions 320 at other scales than the 90 ° and 270 ° scales, thereby enabling the laser rangefinder 200 to be positioned at other scales, thereby facilitating the laser rangefinder 200 to measure the coordinates of the crack, specifically, the protrusions 320 are provided at other scales of the 360 ° dial that are commonly used or desired, as desired, such as the protrusions 320 at the 180 ° scale.
Further, referring to fig. 2-3, protrusion 320 is a hemispherical convex point, and recess 211 is a hemispherical recess adapted to the hemispherical convex point, specifically, the volume of the hemispherical convex point is small, thereby preventing the hemispherical convex point from blocking and interfering with the rotation of laser range finder 200, in this embodiment, recess 211 is a semi-cylindrical recess, and the semi-cylindrical recess can also accommodate protrusion 320, so as to realize the positioning of laser range finder 200 relative to laser range finder 200, in other embodiments, recess 211 can also be of other shapes, as long as it can accommodate recess 211, it can realize the positioning of laser range finder 200 relative to laser range finder 200.
Further, the angle dial 300 is a circular disk with the through hole 310 located at the center of the circular disk, in other embodiments, the angle dial 300 may also be a polygonal disk.
Further, referring to fig. 2 and 4, the microscope 100 includes an observation end 110 and a near-object end 120 which are oppositely disposed, the near-object end 120 is disposed at the through hole 310 of the angle scale 300, the laser range finder 200 is sleeved on the near-object end 120, and the laser range finder 200 can rotate around the near-object end 120, specifically, when measuring the width of a crack, a measurer can observe the crack from the observation end 110 through the through hole 310 of the angle scale 300.
Further, referring to fig. 2 and 4, the side wall of the microscope 100 is provided with an opening 130, specifically, the outside light can irradiate on the crack through the opening 130 and the through hole 310 of the angle dial 300, so that the crack can be observed clearly by the measurer, in this embodiment, the opening 130 is disposed near the object-approaching end 120.
Further, the opening 130 of the microscope 100 is provided with a transparent cover, so that foreign matters such as external dust can be prevented from falling on the crack through the opening 130, and the measurement of the crack is prevented from being interfered.
Further, referring to fig. 2 and 4, the microscope 100 includes the light filling lamp 140, the light outlet of the light filling lamp 140 is aligned to the opening 130, the light emitted by the light filling lamp 140 can irradiate at the crack through the opening 130, specifically, the light filling lamp 140 is arranged, the light emitted by the light filling lamp 140 can irradiate at the crack through the opening 130 and the through hole 310 of the angle dial 300, so that the measuring staff can clearly observe the crack, and the crack width can be reliably measured.
Further, the laser range finder 200 can emit a pulse laser beam to the first reference position or the second reference position and receive the laser beam reflected by the first reference position or the second reference position, and the laser range finder 200 records the time difference between the emission of the laser beam and the reception of the laser beam, thereby calculating the distance between the crack and the first reference position or the second reference position.
Further, referring to fig. 3, the laser distance measuring instrument 200 includes a laser emitting portion 210 and a collar portion 220 connected to each other, the collar portion 220 is sleeved on one end of the microscope 100 close to the angle scale 300, the laser emitting portion 210 can emit a pulse laser beam to a first reference position or a second reference position and receive the laser beam reflected by the first reference position or the second reference position, the laser emitting portion 210 records a time difference from the emission of the laser beam to the reception of the laser beam, and further calculates a distance from the crack to the first reference position or the second reference position, specifically, the collar portion 220 is sleeved on the object approaching end 120, and the groove 211 is located at one end of the laser emitting portion 210 facing the angle scale 300.
In the present embodiment, the laser emitting portion 210 is used to measure the distance from the end of the laser emitting portion 210 connected to the collar portion 220 to the first reference position or the second reference position, and since the slit is located at the center of the through hole 310 of the angle dial 300, that is, at the center of the collar portion 220, the distance from the slit to the first reference position or the second reference position is equal to the distance from the end of the laser emitting portion 210 connected to the collar portion 220 to the first reference position or the second reference position plus the radius of the collar portion 220, wherein the radius of the collar portion 220 of the laser range finder 200 is a known fixed value.
Further, laser range finder 200 still is used for detecting the crack apart from first reference position or the distance of second reference position after, the relevant distance data of record, specifically, does not need survey crew real-time recording data to make the measurement operation simple more convenient, and when the crack of the higher wait position of needs survey position, survey crew can fall to the ground the back again with the relevant distance data record of record in laser range finder 200, avoid operating personnel to stay in the high altitude for a long time, reduce danger.
The above is only the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all of which are under the design of the present invention, the equivalent device conversion made by the contents of the specification and the attached drawings is utilized, or the direct/indirect application is included in other related technical fields in the patent protection scope of the present invention.
Claims (10)
1. A crack measuring device, comprising:
the angle dial is at least provided with 0-degree scale, 90-degree scale and 270-degree scale, a through hole is formed in the angle dial, the angle dial is used for being arranged on the surface of an object to be detected, and the through hole is located at a crack on the surface of the object to be detected; and
the microscope is arranged at the through hole of the angle dial plate, the axis of the microscope is perpendicular to the angle dial plate, and the microscope is used for detecting the width of the crack;
laser range finder, the cover is located the microscope is close to the one end of angle calibrated scale, just laser range finder can wind the microscope rotates, laser range finder is used for detecting the crack is apart from the distance of first reference position, and is used for detecting the crack is apart from the distance of second reference position, laser range finder reaches with the line of first reference position laser range finder reaches the contained angle that the line of second reference position formed is for predetermineeing the angle, predetermine the angle and be greater than 0, just predetermine the angle and be less than 180.
2. The fracture measuring device of claim 1, wherein the angular scale is a 360 ° scale.
3. Crack measuring device as claimed in claim 2, characterized in that the 360 ° dial is provided with a projection at a 90 ° and/or 270 ° scale, and that the side of the laser rangefinder facing the 360 ° dial is provided with a groove, which fits the projection.
4. The crack measuring device of claim 3, wherein the protrusion is a hemispherical convex point and the recess is a hemispherical recess adapted to the hemispherical convex point.
5. The crack measuring device of claim 1, wherein the angle dial is a disk.
6. The crack measuring device of claim 1, wherein the microscope comprises an observation end and an object-near end which are oppositely arranged, the object-near end is arranged at the through hole of the angle dial, the laser range finder is sleeved on the object-near end, and the laser range finder can rotate around the object-near end.
7. The crack measuring device of claim 1, wherein the side wall of the microscope is open.
8. The crack measuring device of claim 7, wherein the microscope comprises a fill-in lamp, a light outlet of the fill-in lamp is aligned with the opening, and light emitted by the fill-in lamp can irradiate the crack through the opening.
9. The crack measuring device of claim 1, wherein the laser range finder is capable of emitting a pulsed laser beam to the first reference location or the second reference location and receiving a reflected laser beam from the first reference location or the second reference location, the laser range finder recording a time difference from emitting the laser beam to receiving the laser beam, thereby calculating a distance of the crack from the first reference location or the second reference location.
10. The crack measuring device of claim 9, wherein the laser range finder shape comprises a laser emitting portion and a collar portion connected with each other, the collar portion is sleeved on one end of the microscope near the angle dial, the laser emitting portion can emit a pulse laser beam to the first reference position or the second reference position and receive the laser beam reflected by the first reference position or the second reference position, the laser emitting portion records a time difference from the emitting of the laser beam to the receiving of the laser beam, and then the distance of the crack from the first reference position or the second reference position is calculated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221469189.5U CN217585733U (en) | 2022-06-13 | 2022-06-13 | Crack measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221469189.5U CN217585733U (en) | 2022-06-13 | 2022-06-13 | Crack measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217585733U true CN217585733U (en) | 2022-10-14 |
Family
ID=83530583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221469189.5U Active CN217585733U (en) | 2022-06-13 | 2022-06-13 | Crack measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217585733U (en) |
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2022
- 2022-06-13 CN CN202221469189.5U patent/CN217585733U/en active Active
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